cavmaths - Stephen Cavadino
Blog by a maths teacher and KS5 coordinator. Posts, which date back to July, 2012, often incorporate social media and snapshots of scratch work: "Christ-maths Projects," "Engaging with Written Feedback," "Consistency, Humour, Well planned Lessons and
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Center for Mathematical Talent - New York University
The Center for Mathematical Talent (CMT) at the Courant Institute of Mathematical Sciences coordinates activities for students in the New York City area who would like more mathematics than is included in the usual mathematics classroom. Freely downloadable
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Challenges - RSA Security
Read about three cryptographic challenges: RSA Factoring Challenge, Secret-Key Challenge, and DES Challenge III. For the solution of these cryptographic challenges, RSA offers cash prizes as "... modest rewards for some of the hard work that goes into
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cheesemonkey wonders - Elizabeth Statmore
Blog by a San Francisco high school teacher who came to the classroom by way of "many years as an entrepreneur and executive in Silicon Valley." Statmore left industry after seeing "too many good, smart people who were missing out on wonderful career
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ClassZone - McDougal Littell, Publishers
In ClassZone, McDougal Littell has gathered together all of its activities, interactive online resources, research links, chapter quizzes, and other materials that support its popular middle and high school mathematics textbooks, such as Integrated Math
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Clay Mathematics Institute - Clay Mathematics Institute
The primary objectives and purposes of Clay Mathematics Institute (CMI) are to increase and disseminate mathematical knowledge, to educate mathematicians and other scientists about new discoveries in the field of mathematics, to encourage gifted students
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Coins and a Balance Scale - Bennett Haselton
You have twelve coins and a balance scale. One of the coins does not weigh the same as the other eleven, but you don't know if the odd coin is heavier or lighter than the others. How can you determine, in three weighings, which coin is the odd coin?
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College Entrance Exam Math Prep - EduCAD
A free, interactive library of the most complex math problem types found on the SAT® or ACT® college entrance exams. The "show next step" button provides a hint about the strategy to take; a correct answer submitted with the "check answer" button
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